Salsa De Jitomate (Tomato Sauce)

Yield:	2 Cups
Categories:	Mexico, Sauces

2	tb	Oil, vegetable
1		Onions; finely chopped
1		Garlic cloves; finely choppd
2	lg	Tomatoes; peeled, seeded, chopped
1/2	ts	Sugar, granulated
2		Chile, serrano; chopped
		Salt
		Pepper, black
1	tb	Coriander; chopped